CN102858010A - Positioning method and device for mobile terminal - Google Patents

Positioning method and device for mobile terminal Download PDF

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Publication number
CN102858010A
CN102858010A CN2012103246184A CN201210324618A CN102858010A CN 102858010 A CN102858010 A CN 102858010A CN 2012103246184 A CN2012103246184 A CN 2012103246184A CN 201210324618 A CN201210324618 A CN 201210324618A CN 102858010 A CN102858010 A CN 102858010A
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portable terminal
location information
subregion
geographical location
sub regions
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CN102858010B (en
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段江海
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Priority to CN201210324618.4A priority Critical patent/CN102858010B/en
Publication of CN102858010A publication Critical patent/CN102858010A/en
Priority to EP13835249.7A priority patent/EP2894913B1/en
Priority to US14/426,150 priority patent/US9420414B2/en
Priority to PCT/CN2013/080741 priority patent/WO2014036874A1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0257—Hybrid positioning
    • G01S5/0268—Hybrid positioning by deriving positions from different combinations of signals or of estimated positions in a single positioning system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals
    • G01S5/02955—Proximity-based methods, e.g. position inferred from reception of particular signals by computing a weighted average of the positions of the signal transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention relates to a wireless communication technology and discloses a positioning method and device for a mobile terminal. The method comprises the following steps: transmitting a second request message for indicating to acquire the quantity of identifications of sub regions correlated with the mobile terminal in a cell dividing result to a base station attributed to the mobile terminal on the basis of a first request message transmitted by a CN (Core Network) for indicating the positioning of the mobile terminal by an RNC (Radio Network Controller), wherein the cell dividing result contains a plurality of sub regions obtained by dividing according to an antenna group covering mode of the base station in the cell where the mobile terminal is currently positioned; receiving an identifier of at least one sub region correlated with the mobile terminal, which is returned by the base station by the RNC; transmitting a PCAP (Positioning Calculation Application Part) calculation request message carrying at one identification to an SAS (Stand-alone Serving Mobile Location Center); and enabling the SAS to determine geographical location information of the mobile terminal according to the identification of at least one sub region, thereby realizing accurate positioning of the mobile terminal.

Description

A kind of localization method of portable terminal and device
Technical field
The present invention relates to wireless communication technology, relate in particular to a kind of localization method and device of portable terminal.
Background technology
At present, along with the development of mobile communication technology and the growth of business demand, the positioning service of movement-based terminal location is more and more.Location-based service relates to the numerous areas such as traffic, logistics, public security, emergency and daily life, and numerous business such as navigation, logistics management, transport information, schedule can be provided, and uses very extensive.
Usually utilize angle that signal strength signal intensity, carrier phase, signal arrive and time measured value and their combination that portable terminal is positioned calculating in the mobile terminal location system.Current, can there be following two kinds of implementation methods the location: chain of command location and user's face location.The chain of command location refers to that position fixing process need to use RNC(Radio Network Controller, radio network controller), CN(Core Network, core net) signaling link between, concrete scheme is: CN sends Location Request triggered location process to RNC, RNC finishes the backward CN restoring to normal position of positioning action result, CN, RNC, NodeB(base station) etc. all to participate in the position fixing process; And under user's face locate mode, mobile communication equipment uses the IP link to communicate with location-server, existing mobile communications network infrastructure is remained unchanged, be that position fixing process is a PS(Packet Switched for RNC and Node B, packet switching) territory service access, all positioning control signalings and measurement data be direct interaction between the locating control center of core net and UE.
In the prior art, localization method mainly contains following several: CELL ID(Identity, sign), OTDOA(Observe Time Diifference of Arrival, the observable time of advent is poor) A-GPS(Assisted Global Positioning System, agps system) etc.
The below describes existing several localization methods.
1, based on the method for CELL ID:
Be cell coverage area based on Cell ID() the location mainly be by determining the ID of portable terminal residential quarter of living in, and then according to the longitude and latitude of residential quarter portable terminal is positioned, namely positioning accuracy depends primarily on radius of society.The method realizes simply, the response time is short, occupying system resources is few, but positioning accuracy is lower.
2, OTDOA localization method:
The OTDOA location mainly is the position of determining portable terminal by the time difference of detecting two base station signals arrival, measuring amount is SFN(System Frame Number, System Frame Number)-and SFN Observed Time Difference(SFN observed time difference), this measurement is carried out by UE.The OTDOA method requires to have simultaneously the base station more than three to participate in the measurement of positional parameter, and positioning accuracy is higher.
3, A-GPS localization method
The A-GPS location mainly is to provide assistant GPS information by network to portable terminal, portable terminal is caught satellite and is received metrical information, then calculate mobile terminal locations by portable terminal, or metrical information is sent to network, by the position of network calculations portable terminal.There is specific (special) requirements the A-GPS location to mobile terminal device, and namely portable terminal must built-in GPS module.It is very high that A-GPS is positioned under the outdoor environment positioning accuracy, but under indoor or occluded environment, and positioning accuracy is poor even can't locate.
In addition, for TD-SCDMA(Time Division Synchronized Code Division Multiple Access, TD SDMA) system, peculiar TA+AOA localization method also, the method is utilized AOA(Angle of Arrival, arrive angle), RxTD(RX Timing Deviation, Rx timing offset), Tadv(TimingAdvance, time advance) etc. measurement parameter carry out the position calculation of portable terminal.Wherein, Tadv measures by UE and carries out, and AOA measures and the RxTD measurement is carried out by Node B.
The 3GPP standard begins to have introduced SAS(Stand-alone SMLC from the R5 version, Serving Mobile Location Center, the service-specific mobile positioning center) network element, finish PCAP(Positioning Calculation Application Part, the location calculation application part) function, network configuration as shown in Figure 1.A logic interfacing between SAS and the RNC is the Iupc interface, and this interface is mainly used in the transmission message relevant with the UE locating information between RNC and SAS.
In the 3GPP standard R5 version, only support to use the A-GPS localization method to realize the PCAP function.From the R6 version, expand to the multiple localization methods such as Cell ID, OTDOA, TA+AOA location and also can realize the PCAP function.
Consult shown in Fig. 2 A, use the OTDOA localization method to realize that the flow process of PCAP function comprises the steps:
Step a1:CN sends locating request message to RNC;
Step b1:RNC sends to UE and measures control message, requires terminal to carry out the OTDOA measurement of correlation, and measuring amount is SFN-SFN Observed Time Difference;
Step c1:UE carries OTDOA measurement of correlation result to the report of RNC return measurement;
Steps d 1:RNC sends the PCAP computation request message by the Iupc interface to SAS, wherein carries the OTDOA correlation measurement information;
Step e1:SAS positions calculating according to carrying correlation measurement information, obtains the terminal geographic positional information, and returns PCAP calculated response message, wherein carried terminal position calculation result by the Iupc interface to RNC;
Step f1:RNC is to CN restoring to normal position result.
Consult shown in Fig. 2 B, use the TA+AOA localization method to realize that the flow process of PCAP function comprises the steps:
Step a2:CN sends locating request message to RNC;
Step b2:RNC sends to UE and measures control message, requires terminal to carry out Tadv and measures;
Step c2:UE carries the Tadv measurement result to the report of RNC return measurement;
Steps d 2:RNC sends the special measurement request message to Node B, requires the base station to carry out RxTD measurement and AOA measurement;
Step e2:Node B returns the special measurement report to RNC, carries RxTD and measures and the AOA measurement result;
Step f2:RNC sends the PCAP computation request message by the Iupc interface to SAS, wherein carries Tadv, RxTD, AOA correlation measurement information;
Step g 2:SAS positions calculating according to carrying correlation measurement information, obtains the terminal geographic positional information, and returns PCAP calculated response message, wherein carried terminal position calculation result by the Iupc interface to RNC;
Step h2:RNC is to CN restoring to normal position result.
In actual applications, the correlation measurement information in the special measurement report message that returns of Node B is as shown in table 1:
Information unit/group name claims Optional or essential Scope Explanation
The special measurement type of selecting Essential
Signal interference ratio
Transmitter code power
Additional special measurement type
The Rx timing offset Essential Be applicable to 1.28Mcps TDD.
The Rx timing offset
The arrival angle Be applicable to 1.28Mcps TDD.
The arrival angle Essential
The required precision of arrival angle Essential
Best cell portion Be applicable to 1.28Mcps TDD.
Best cell portion Essential
Table 1
The information content of best cell burst is as shown in table 2:
Information unit/group name claims Optional or essential Scope Explanation
Best cell portion 1.. the maximum number of＜best cell burst 〉
The cell portion sign Essential
Received signal code power Essential
Table 2
In actual applications, the content that comprises of PCAP computation request message is as shown in table 3:
Information unit/group name claims Optional or essential Scope Explanation
Type of message
Transaction Identifier Essential
The initial UE location estimation Optional
The GPS measurement result 0..3
The GPS measurement result Essential
Measurement result collection based on cell ID 0..16
Based on the measurement result information list of cell ID Essential
OTDOA measurement group 0..1
OTDOA reference cell information
OTDOA adjacent cell list information 1..32
The OTDOA information of adjacent cells Essential
OTDOA measurement result collection 1..16
OTDOA measurement result information list
Table 3
In actual applications, as shown in table 4 based on the content of the measurement result information list of cell ID:
Figure BDA00002097555000051
Table 4
In actual applications, the content of PCAP calculated response message is as shown in table 5:
Information unit/group name claims Optional or essential Scope Explanation
Type of message Essential
Transaction Identifier Essential
The UE location estimation Essential
Table 5
Along with the development of 3G (Third Generation) Moblie technology, the method for designing of base station trends towards base band separates with radio frequency, and baseband extension type base station is exactly the base station that base band is separated with radio frequency.A plurality of spaced antenna groups are adopted in baseband extension type base station, realize covering.Cover for each specific antenna sets, can be defined as a sub regions, identified by subregion.Like this, can there be a plurality of subregions a residential quarter.RNC can determine which subregion portable terminal is positioned at by following dual mode:
Mode one:
When portable terminal initially accesses, by the UL FP(Up Link Frame Protocol of user's face, up link Frame Protocol).RACH FP(Random Access Channel Frame Protocol can be passed through in the base station, the random cut-in channel frame agreement) or E-DCH FP(Enhanced uplink Dedicated Channel Frame Protocol, strengthen the special uplink channel Frame Protocol) carry the residing cell portion of UE information.Fig. 3 is specially RACH FP form, and wherein, for 1.28Mcps TDD system, whether the Bit3 of New IE Flags is used to refer to Cell Portion LCR IE and exists, and 1 expression exists, and 0 expression does not exist; Fig. 4 is specially E-DCH FP form, and wherein, for 1.28Mcps TDD system, whether the Bit 0 indication Cell Portion LCR ID IE among the New IE Flags exists, and 1 expression exists, and 0 expression does not exist.
Mode two:
After the initial access of portable terminal, report by Node B special measurement.After the terminal access, it is Best Cell Portions(best cell burst that RNC can initiate to measure type) Node B special measurement, require the Cell portion(cell portion of Node B report of user ownership), and support periodic report, report immediately and change reports three kinds to report mode as shown in table 6.
Figure BDA00002097555000061
Table 6
By as can be known above, based on above dual mode, RNC can obtain the initial position message of portable terminal, and can be to the positional information real-time update of portable terminal.RNC can realize more accurate location according to the residing best cell burst information of portable terminal, but, present R10 version from up-to-date 3GPP standard, not yet introduce at present cell portion information (being about to the information that microzonation is divided into subregion) in the PCAP computation request message of Iupc interface, that is to say, existing standard can't be supported the function based on cell portion information realization PCAP, and portable terminal is carried out more accurate location.
Summary of the invention
The embodiment of the invention provides a kind of localization method and device of portable terminal, can't be to the pinpoint problem of portable terminal in the prior art in order to solve.
A kind of localization method of portable terminal comprises:
The first request message of portable terminal location is carried out in the indication that radio network controller (RNC) sends based on core net CN, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and described residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
RNC receives the sign of at least one subregion of the portable terminal association of returning described base station;
RNC makes described SAS determine the geographical location information of described portable terminal according to the sign of described at least one subregion to the location calculation application part PCAP computation request message that service-specific mobile positioning center SAS sends the sign of carrying described at least one subregion.
A kind of localization method of portable terminal comprises:
Service-specific mobile positioning center SAS receives the location calculation application part PCAP computation request message of carrying the sign of at least one subregion of portable terminal association among the residential quarter division result that radio network controller (RNC) sends, wherein, described residential quarter division result comprises residential quarter, the current place of portable terminal and divides some subregions of rear acquisition according to the antenna sets coverage mode of described base station, and described residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
SAS determines the geographical location information of described portable terminal according to the sign of described at least one subregion.
A kind of positioner of portable terminal comprises:
The first communication unit, be used for carrying out based on the indication that core net CN sends the first request message of portable terminal location, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and described residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
Receiving element is for the sign of at least one subregion that receives the portable terminal association of returning described base station;
The second communication unit, be used for sending to service-specific mobile positioning center SAS the location calculation application part PCAP computation request message of the sign of carrying described at least one subregion, make described SAS determine the geographical location information of described portable terminal according to the sign of described at least one subregion.
A kind of positioner of portable terminal comprises:
Communication unit, the location calculation application part PCAP computation request message that is used for the sign of carrying at least one subregion of dividing as a result portable terminal association in the residential quarter of reception radio network controller (RNC) transmission, wherein, described residential quarter division result comprises rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
Determining unit is for the geographical location information of determining described portable terminal according to the sign of described at least one subregion.
In the embodiment of the invention, the first request message of portable terminal location is carried out in the indication that RNC sends based on CN, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and the residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of base station some subregions; RNC receives the sign of at least one subregion of the portable terminal association of returning the base station; RNC makes SAS determine the geographical location information of portable terminal according to the sign of at least one subregion, thereby has realized the accurate location of portable terminal to the PCAP computation request message that SAS sends the sign of carrying at least one sub regions.
Description of drawings
Fig. 1 is the schematic diagram of network configuration in the prior art;
Fig. 2 A uses the OTDOA localization method to realize the detail flowchart of PCAP function in the prior art;
Fig. 2 B uses the TA+AOA localization method to realize the detail flowchart of PCAP function in the prior art;
Fig. 3 is RACH FP form of the prior art;
Fig. 4 is E-DCH FP form of the prior art;
Fig. 5 is the illustrative view of functional configuration of RNC in the embodiment of the invention;
Fig. 6 is the illustrative view of functional configuration of SAS in the embodiment of the invention;
Fig. 7 is that RNC is the detail flowchart of the portable terminal location of executive agent in the embodiment of the invention;
Fig. 8 is that SAS is the detail flowchart of the portable terminal location of executive agent in the embodiment of the invention.
Embodiment
In order to realize the accurate location to portable terminal, in the embodiment of the invention, a kind of localization method of portable terminal has been proposed, be specially: the first request message of portable terminal location is carried out in the indication that RNC sends based on CN, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and the residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of base station some subregions; RNC receives the sign of at least one subregion of the portable terminal association of returning the base station; RNC makes SAS determine the geographical location information of portable terminal according to the sign of at least one subregion, thereby has realized the accurate location of portable terminal to the PCAP computation request message that SAS sends the sign of carrying at least one sub regions.
Below in conjunction with accompanying drawing the preferred embodiment of the present invention is elaborated.
Consult shown in Figure 5ly, in the embodiment of the invention, RNC comprises the first communication unit 50, receiving element 51, second communication unit 52, wherein,
The first communication unit 50, be used for carrying out based on the indication that core net CN sends the first request message of portable terminal location, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and described residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
Receiving element 51 is for the sign of at least one subregion that receives the portable terminal association of returning described base station;
Second communication unit 52, be used for sending to service-specific mobile positioning center SAS the location calculation application part PCAP computation request message of the sign of carrying described at least one subregion, make described SAS determine the geographical location information of described portable terminal according to the sign of described at least one subregion.
Consult shown in Figure 6ly, in the embodiment of the invention, SAS comprises communication unit 60, determining unit 61, wherein,
Receiving element 60, the location calculation application part PCAP computation request message that is used for the sign of carrying at least one subregion of dividing as a result portable terminal association in the residential quarter of reception radio network controller (RNC) transmission, wherein, described residential quarter division result comprises rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
Computing unit 61 is for the geographical location information of determining described portable terminal according to the sign of described at least one subregion.
Based on technique scheme, to consult shown in Figure 7ly, the embodiment of the invention proposes the localization method that a kind of RNC is the portable terminal of executive agent, and its idiographic flow is as follows:
The first request message of portable terminal location is carried out in the indication that step 700:RNC sends based on CN, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and the residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of base station some subregions.
In the embodiment of the invention, CN sends the first request message to RNC first, namely triggers the positioning action to portable terminal, and wherein, the first request message is used to indicate the portable terminal location.Next, RNC sends the second request message to the base station of the portable terminal ownership of location, and wherein, the second request message is used to indicate and obtains the quantity that the sign of the subregion of portable terminal association among the result is divided in the residential quarter.
The below is take portable terminal to be positioned as A, the base station of portable terminal A ownership is B, mobile terminal affiliated residential quarter is C, residential quarter C is divided into five sub regions: subregion C1, subregion C2, subregion C3, subregion C4, subregion C5, wherein, the subregion related with portable terminal A is that subregion C2, subregion C3, subregion C4 are that example describes.
CN sends the first request message that portable terminal A location is carried out in indication to RNC, after RNC receives the first request message, send the second request message of the quantity of the subregion sign of indicating portable terminal association among the division result who obtains residential quarter C to base station B, be specially: the message that sends the number of indicating the subregion sign of obtaining the portable terminal association to base station B, wherein, the number of obtaining the related subregion of number and the portable terminal in fact of sign of subregion of portable terminal association can be different, the number of the sign of the subregion that obtains the portable terminal association that to be RNC send to the base station can be two, also can be three, can also be four or five.
Step 710:RNC receives the sign of at least one subregion of the portable terminal association of returning the base station.
In the embodiment of the invention, the number of the sign of the subregion that the number of the sign of the subregion of the portable terminal association that the base station that RNC receives is returned is related with the portable terminal that obtains that RNC sends to the base station is consistent.If the number of the subregion sign of obtaining the portable terminal association that RNC sends to the base station is during greater than the number of the sign of the subregion of portable terminal association in fact, the base station can be returned the sign of the uncorrelated subregion of portable terminal to RNC, wherein, the uncorrelated subregion of portable terminal is, the signal received power of portable terminal is less or be 0 in this zone.
The below is take portable terminal to be positioned as A, and the base station of portable terminal A ownership is B, and mobile terminal affiliated residential quarter is that C is that example describes.
CN sends the first request message that portable terminal A location is carried out in indication to RNC, after RNC receives the first request message, send the second request message of the quantity of the subregion sign of indicating portable terminal association among the division result who obtains residential quarter C to base station B, wherein, residential quarter C can be divided into five sub regions according to the antenna sets coverage mode of base station B: subregion C1, subregion C2, subregion C3, subregion C4, subregion C5, the subregion related with portable terminal A is subregion C2, subregion C3, subregion C4, subregion C5, next, RNC sends the second message that the quantity of the subregion sign of dividing portable terminal association among the result is obtained in indication to base station B, the number of the subregion sign of obtaining the portable terminal association that RNC sends to the base station can be less than or greater than the in fact number of the subregion of portable terminal association, the number of the subregion sign of obtaining the portable terminal association that to be RNC send to the base station is three or five, then, RNC receives the sign of at least one subregion of the portable terminal association of returning the base station, it is the sign (number of the subregion sign of obtaining the portable terminal association that RNC sends to the base station is) that RNC can only receive the subregion C3 that returns the base station, also can only receive the sign (number of the subregion sign of obtaining the portable terminal association that RNC sends to the base station is) of the subregion C4 that returns the base station, can also receive the three sub regions subregion C1 that the base station is returned, the sign of subregion C2 and subregion C3 (number of the subregion sign of obtaining the portable terminal association that RNC sends to the base station is three) can also receive the five sub regions subregion C1 that the base station is returned, subregion C2, subregion C3, subregion C4, the sign of subregion C5 (number of the subregion sign of obtaining the portable terminal association that RNC sends to the base station is five).
Step 720:RNC makes SAS determine the geographical location information of portable terminal according to the sign of at least one subregion of portable terminal association to the PCAP computation request message that SAS sends the sign of at least one subregion that carries the portable terminal association.
In the embodiment of the invention, RNC to the PCAP computation request message that SAS sends the sign of at least one subregion that carries the portable terminal association, makes SAS determine the geographical location information of portable terminal according to the sign of at least one subregion of portable terminal association by the Iupc interface.
In the embodiment of the invention, if RNC receives the sign of a sub regions of the portable terminal association of returning the base station, then the geographical location information of SAS this subregion that will get access to is defined as the geographical location information of portable terminal.
In the embodiment of the invention, if RNC receives the sign of at least two sub regions of the portable terminal association of returning the base station, make SAS determine that according at least two sub regions of portable terminal association the implementation method of the geographical location information of portable terminal specifically has two kinds:
Method one:
The geographical location information of each sub regions that comprises at least two sub regions of steps A 1:SAS configuration portable terminal association.
In the embodiment of the invention, SAS comprises at least to the geographical location information of each sub regions configuration: the height on the line-spacing ground, sky of the latitude at the longitude at subregion place, subregion place, base station (when antenna when outdoor) or the floor at the antenna place of base station (when antenna when indoor).
Steps A 2:SAS determines the prominent subregion of signal receiving code at least two sub regions of portable terminal association, and the geographical location information of this subregion is defined as the geographical location information of portable terminal.
In the embodiment of the invention, SAS determines in two sub regions of described portable terminal association behind the prominent subregion of signal receiving code at least, with the zone of this subregion as the portable terminal ownership, then, further inquire about the geographical location information to this subregion configuration, and the geographical location information of this subregion is defined as the geographical location information of portable terminal.
For example, the residential quarter B of portable terminal A ownership divides rear acquisition three sub regions according to the antenna sets coverage mode of the base station C of portable terminal A ownership: subregion B1, subregion B2 and subregion B3, and three sub regions all are associated with portable terminal A, and the signal receiving code power of subregion B1 is that the signal receiving code power of X1, subregion B2 is that the signal receiving code power of X2, subregion B3 is X3.SAS is respectively to three sub regions of residential quarter B: subregion B1, subregion B2 and subregion B3 configuration geographical location information, wherein, the geographical location information of each subregion comprises at least: the height on the line-spacing ground, sky of base station (when antenna when outdoor) or the floor at the antenna place of base station (when antenna when indoor).Then, SAS determines that the magnitude relationship of signal received power of three sub regions of residential quarter B is: X1〉X2〉X3, namely the prominent subregion of signal receiving code is B1, and the geographical location information of B1 subregion is defined as the geographical location information of portable terminal.
Method two:
The geographical location information of each sub regions at least two sub regions of step B1:SAS configuration portable terminal association.
In the embodiment of the invention, the geographical location information of each sub regions configuration is comprised at least: the height on the line-spacing ground, sky of base station (when antenna when outdoor) or the floor at the antenna place of base station (when antenna when indoor).
After step B2:SAS determines peak signal receiving code power in the signal receiving code power of each sub regions at least two sub regions of portable terminal association, calculate the difference of the peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N difference do not reach predetermined threshold value, if the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined portable terminal.
In the embodiment of the invention, after SAS determines peak signal receiving code power in the signal receiving code power of each sub regions at least two sub regions of portable terminal association, calculate the difference of the peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N difference do not reach predetermined threshold value, wherein, predetermined threshold value is passed through O﹠amp; M(Operation and Manage, operation and maintenance) configuration, more than or equal to 0.If the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined portable terminal, be specially: the sum of products of the geographical location information of each sub regions that the geographical location information of portable terminal equals to filter out and corresponding weighted value, wherein, the weighted value of each sub regions is relevant with the signal receiving code power of each sub regions, and be proportionate with signal receiving code power, be that signal receiving code power is larger, weighted value is larger, the weighted value sum of each sub regions that filters out simultaneously, is 1.
For example: the residential quarter B of portable terminal A ownership divides rear acquisition five sub regions according to the antenna sets coverage mode of the base station C of portable terminal A ownership: subregion B1, subregion B2, subregion B3, subregion B4 and subregion B5, the signal receiving code power of subregion B1 is 0, the signal receiving code power of subregion B2 is 200, the signal receiving code power of subregion B3 is 300, the signal receiving code power of subregion B4 is 400, the signal receiving code power of subregion B5 is 500, predetermined threshold value is 300(TH＞=0) wherein, predetermined threshold value is passed through O﹠amp; M configuration, the weighted value of subregion B1 are 0%, the weighted value of subregion B2 is 15%, the weighted value of subregion B3 is 20%, the weighted value of subregion B4 is 25%, the weighted value of subregion B5 is 40%.SAS is respectively to five sub regions of residential quarter B: subregion B1, subregion B2, subregion B3, subregion B4 and subregion B5 configuration geographical location information, wherein, the geographical location information of each subregion comprises at least: the height on the line-spacing ground, sky of base station (when antenna when outdoor) or the floor at the antenna place of base station (when antenna when indoor).SAS determines that the peak signal receiving code power that the residential quarter is divided in the signal receiving code power of five sub regions among the result is 500, calculate the difference of the peak signal receiving code power 500 signal receiving code power corresponding with each sub regions, filter out the subregion that 4 differences do not surpass predetermined threshold value 300: subregion B2, subregion B3, subregion B4, subregion B5, and according to the geographical location information that weighted value and the corresponding geographical location information of 4 sub regions that filter out are determined portable terminal, be specially:
The geographical location information of geographical location information * 25%+B5 of geographical location information * 20%+B4 of geographical location information * 15%+B3 of the geographical location information=B2 of portable terminal * 40%.
In the embodiment of the invention, SAS determines the geographical location information of portable terminal according to the sign of at least one subregion of portable terminal association, send PCAP calculated response message by the Iupc interface to RNC, wherein, carry the geographical location information of portable terminal in this message, RNC and sends this PCAP calculated response message to CN after receiving PCAP calculated response message.
Based on technique scheme, to consult shown in Figure 8ly, the embodiment of the invention proposes the localization method that a kind of SAS is the portable terminal of executive agent, and its idiographic flow is as follows:
Step 800:SAS receives the PCAP computation request message of carrying the sign of at least one subregion of portable terminal association among the residential quarter division result that RNC sends, wherein, the residential quarter is divided the result and is comprised residential quarter, the current place of portable terminal and divide some subregions of rear acquisition according to the antenna sets coverage mode of the base station of portable terminal ownership.
In the embodiment of the invention, SAS receives the PCAP computation request message of carrying the sign of at least one subregion of portable terminal association among the residential quarter division result that RNC sends by the Iupc interface.
Step 810:SAS determines the geographical location information of portable terminal according to the sign of at least one subregion.
In the embodiment of the invention, if SAS receives the PCAP computation request message that the sign of a sub regions of portable terminal association among the result is divided in the residential quarter of carrying that RNC sends, then SAS is defined as the geographical location information of a sub regions of the portable terminal association that gets access to the geographical location information of portable terminal.
In the embodiment of the invention, SAS determines that according to the sign of at least two sub regions the implementation method of the geographical location information of portable terminal specifically has two kinds:
Method one:
The geographical location information of each sub regions among the step C1:SAS allocating cell division result at least two sub regions of portable terminal association.
In the embodiment of the invention, it is the result that residential quarter, the current place of portable terminal is divided according to the antenna sets coverage mode of the base station of portable terminal ownership that each sub regions that comprises among the result is divided in the residential quarter, existing in the subregion of dividing have portable terminal to be correlated with, and also has not relevant with portable terminal.Geographical location information to the configuration of each sub regions comprises at least: the height on the line-spacing ground, sky of base station (when antenna when outdoor) or the floor at the antenna place of base station (when antenna when indoor).
Step C2:SAS determines the prominent subregion of signal receiving code at least two sub regions of portable terminal association, and the geographical location information of this subregion is defined as the geographical location information of portable terminal.
In the embodiment of the invention, SAS determines that the residential quarter divides in two sub regions of portable terminal association among the result in some subregions behind the prominent subregion of signal receiving code at least, with the zone of this subregion as the portable terminal ownership, then, further inquire about the geographical location information to this subregion configuration, and the geographical location information of this subregion is defined as the geographical location information of portable terminal.
Method two:
The geographical location information of each sub regions at least two sub regions of step D1:SAS configuration portable terminal association.
In the embodiment of the invention, it is the result that residential quarter, the current place of portable terminal is divided according to the antenna sets coverage mode of the base station of portable terminal ownership that each sub regions that comprises among the result is divided in the residential quarter, existing relevant with portable terminal in the subregion of dividing, also have not relevant with portable terminal.Geographical location information to the configuration of each sub regions comprises at least: the height on the line-spacing ground, sky of base station (when antenna when outdoor) or the floor at the antenna place of base station (when antenna when indoor).
After step D2:SAS determines peak signal receiving code power in the signal receiving code power of each sub regions at least two sub regions of portable terminal association, calculate the difference of the peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N difference do not reach predetermined threshold value, if the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined portable terminal.
In the embodiment of the invention, after SAS determines peak signal receiving code power in the signal receiving code power of each sub regions at least two sub regions of portable terminal association, calculate the difference of the peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N difference do not reach predetermined threshold value, wherein, predetermined threshold value is passed through O﹠amp; The M configuration is more than or equal to 0.If the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined portable terminal, be specially: the sum of products of the geographical location information of each sub regions that the geographical location information of portable terminal equals to filter out and corresponding weighted value, the weighted value sum of each sub regions that wherein, filters out is 1.
In sum, in the embodiment of the invention, the first request message of portable terminal location is carried out in the indication that RNC sends based on CN, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and the residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of base station some subregions; RNC receives the sign of at least one subregion of the portable terminal association of returning the base station; RNC makes SAS determine the geographical location information of portable terminal according to the sign of at least one subregion, thereby has realized the accurate location of portable terminal to the PCAP computation request message that SAS sends the sign of carrying at least one sub regions.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, complete implement software example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device producing a machine, so that the instruction of carrying out by the processor of computer or other programmable data processing device produces the device of the function that is used for being implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, so that the instruction that is stored in this computer-readable memory produces the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, so that carry out the sequence of operations step producing computer implemented processing at computer or other programmable devices, thereby be provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable devices are carried out.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative concept of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the embodiment of the invention and not break away from the spirit and scope of the embodiment of the invention.Like this, if these of the embodiment of the invention are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (20)

1. the localization method of a portable terminal is characterized in that, comprising:
The first request message of portable terminal location is carried out in the indication that radio network controller (RNC) sends based on core net CN, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and described residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
RNC receives the sign of at least one subregion of the portable terminal association of returning described base station;
RNC makes described SAS determine the geographical location information of described portable terminal according to the sign of described at least one subregion to the location calculation application part PCAP computation request message that service-specific mobile positioning center SAS sends the sign of carrying described at least one subregion.
2. the method for claim 1, it is characterized in that, if described RNC receives the sign of a sub regions of the portable terminal association of returning described base station, then send the PCAP computation request message of the sign carry a described sub regions to SAS, make the geographical location information of a sub regions of the described portable terminal association that described SAS will get access to be defined as the geographical location information of described portable terminal.
3. the method for claim 1, it is characterized in that, if described RNC receives the sign of at least two sub regions of the portable terminal association of returning described base station, then send the PCAP computation request message of the sign of carrying described at least two sub regions to SAS, make described SAS determine the prominent subregion of signal receiving code in described at least two sub regions, and the geographical location information of this subregion is defined as the geographical location information of described portable terminal.
4. the method for claim 1, it is characterized in that, if described RNC receives the sign of at least two sub regions of the portable terminal association of returning described base station, then send the PCAP computation request message of the sign of carrying described at least two sub regions to SAS, after making described SAS determine peak signal receiving code power in the signal receiving code power of each sub regions in described at least two sub regions, calculate the difference of the described peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N described difference do not reach predetermined threshold value, if the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of described portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined described portable terminal.
5. such as each described method of claim 1-4, it is characterized in that, after described RNC sends the PCAP computation request message of the sign of carrying described at least one subregion to SAS, receive the geographical location information of the described portable terminal of described SAS feedback, and the geographical location information of described portable terminal is sent to described CN.
6. the localization method of a portable terminal is characterized in that, comprising:
Service-specific mobile positioning center SAS receives the location calculation application part PCAP computation request message of carrying the sign of at least one subregion of portable terminal association among the residential quarter division result that radio network controller (RNC) sends, wherein, described residential quarter division result comprises rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
SAS determines the geographical location information of described portable terminal according to the sign of described at least one subregion.
7. method as claimed in claim 6, it is characterized in that, if described SAS receives the PCAP computation request message of carrying the sign of a sub regions of portable terminal association among the residential quarter division result that RNC sends, the geographical location information of a sub regions of the described portable terminal association that described SAS will get access to is defined as the geographical location information of described portable terminal.
8. method as claimed in claim 6, it is characterized in that, if described SAS receives the PCAP computation request message of carrying the sign of at least two sub regions of portable terminal association among the residential quarter division result that RNC sends, described SAS determine in described at least two sub regions the prominent subregion of signal receiving code, and the geographical location information of this subregion is defined as the geographical location information of described portable terminal.
9. method as claimed in claim 6, it is characterized in that, if described SAS receives the PCAP computation request message of carrying the sign of at least two sub regions of portable terminal association among the residential quarter division result that RNC sends, after described SAS determines peak signal receiving code power in the signal receiving code power of each sub regions in described at least two sub regions, after calculating the described peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N described difference do not reach predetermined threshold value, if the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of described portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined described portable terminal.
10. such as each described method of claim 6-9, it is characterized in that, after described SAS determines the geographical location information of portable terminal according to the sign of described at least one subregion, feed back the geographical location information of described portable terminal to described RNC, and by described RNC the geographical location information of described portable terminal is sent to described CN.
11. the positioner of a portable terminal is characterized in that, comprising:
The first communication unit, be used for carrying out based on the indication that core net CN sends the first request message of portable terminal location, base station to the portable terminal ownership sends the second request message that the quantity of the sign of the subregion of portable terminal association among the residential quarter division result is obtained in indication, and described residential quarter is divided the result and comprised rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
Receiving element is for the sign of at least one subregion that receives the portable terminal association of returning described base station;
The second communication unit, be used for sending to service-specific mobile positioning center SAS the location calculation application part PCAP computation request message of the sign of carrying described at least one subregion, make described SAS determine the geographical location information of described portable terminal according to the sign of described at least one subregion.
12. device as claimed in claim 11 is characterized in that, the second communication unit specifically is used for:
If receiving element receives the sign of a sub regions of the portable terminal association of returning described base station, then send the PCAP computation request message of the sign carry a described sub regions to SAS, make the geographical location information of a sub regions of the described portable terminal association that described SAS will get access to be defined as the geographical location information of described portable terminal.
13. device as claimed in claim 11 is characterized in that, the second communication unit specifically is used for:
If receiving element receives the sign of at least two sub regions of the portable terminal association of returning described base station, then send the PCAP computation request message of the sign of carrying described at least two sub regions to SAS, make described SAS determine the prominent subregion of signal receiving code in described at least two sub regions, and the geographical location information of this subregion is defined as the geographical location information of described portable terminal.
14. device as claimed in claim 11 is characterized in that, the second communication unit specifically is used for:
If receiving element receives the sign of at least two sub regions of the portable terminal association of returning described base station, then send the PCAP computation request message of the sign of carrying described at least two sub regions to SAS, after making described SAS determine peak signal receiving code power in the signal receiving code power of each sub regions in described at least two sub regions, calculate the difference of the described peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N described difference do not reach predetermined threshold value, if the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of described portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined described portable terminal.
15. such as each described device of claim 11-14, it is characterized in that the second communication unit is further used for:
Send the PCAP computation request message of the sign of carrying described at least one subregion to SAS after, receive the geographical location information of the described portable terminal of described SAS feedback, and the geographical location information of described portable terminal is sent to described CN.
16. the positioner of a portable terminal is characterized in that, comprising:
Communication unit, the location calculation application part PCAP computation request message that is used for the sign of carrying at least one subregion of dividing as a result portable terminal association in the residential quarter of reception radio network controller (RNC) transmission, wherein, described residential quarter division result comprises rear acquisition is divided in residential quarter, the current place of portable terminal according to the antenna sets coverage mode of described base station some subregions;
Determining unit is for the geographical location information of determining described portable terminal according to the sign of described at least one subregion.
17. device as claimed in claim 16 is characterized in that, determining unit specifically is used for:
If communication unit receives the PCAP computation request message that the sign of a sub regions of portable terminal association among the result is divided in the residential quarter of carrying that RNC sends, the geographical location information of a sub regions of the described portable terminal association that gets access to is defined as the geographical location information of described portable terminal.
18. device as claimed in claim 16 is characterized in that, determining unit specifically is used for:
If communication unit receives the PCAP computation request message of carrying the sign of at least two sub regions of portable terminal association among the residential quarter division result that RNC sends, determine in described at least two sub regions the prominent subregion of signal receiving code, and the geographical location information of this subregion is defined as the geographical location information of described portable terminal.
19. device as claimed in claim 16 is characterized in that, determining unit specifically is used for:
If communication unit receives the PCAP computation request message of carrying the sign of at least two sub regions of portable terminal association among the residential quarter division result that RNC sends, after determining the peak signal receiving code power in the signal receiving code power of each sub regions in described at least two sub regions, after calculating the described peak signal receiving code power signal receiving code power corresponding with each sub regions, filter out the subregion that N described difference do not reach predetermined threshold value, if the N value is 1, then the geographical location information of the subregion that filters out is defined as the geographical location information of described portable terminal; If the N value is greater than 1, then according to the weighted value of each sub regions that filters out and the geographical location information that corresponding geographical location information is determined described portable terminal.
20. such as each described device of claim 16-19, it is characterized in that communication unit is further used for:
Determine the geographical location information of portable terminal according to the sign of described at least one subregion after, feed back the geographical location information of described portable terminal to described RNC, and by described RNC the geographical location information of described portable terminal is sent to described CN.
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US20150208198A1 (en) 2015-07-23

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